US3925089A - Method of manufacturing a mixture for tv glasses - Google Patents

Method of manufacturing a mixture for tv glasses Download PDF

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Publication number
US3925089A
US3925089A US400402A US40040273A US3925089A US 3925089 A US3925089 A US 3925089A US 400402 A US400402 A US 400402A US 40040273 A US40040273 A US 40040273A US 3925089 A US3925089 A US 3925089A
Authority
US
United States
Prior art keywords
mixture
glasses
felspar
manufacturing
specific surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US400402A
Other languages
English (en)
Inventor
Mathijs Maria Hendrikus Houben
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Philips Corp
Original Assignee
US Philips Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by US Philips Corp filed Critical US Philips Corp
Application granted granted Critical
Publication of US3925089A publication Critical patent/US3925089A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

Definitions

  • ABSTRACT The manufacture of a mixture for TV-glass whose composition lies within the following limits in by weight:
  • felspar having a specific surface 1 sq. m/g and quartz sand having a specific surface 0.1 sq. m/g.
  • the mixture which is used for the manufacture of this The invention be described i referellce type of glass comprises felspar xAlsi o and/or NaAlto some examples
  • felspar havmg a speclfic Si O as a source for A1 0 quartz sand whose quan- Surface lm/g compared Wlth PQ tity is corrected for SiO from the felspar as a source for mg speclfic urface 1 m/g and Wlth quartz Sand SiO alkali carbonates and/or optionally alkali hydroxhavmg a p q Surface 9 qides for the suppletion of the alkali oxide and for the The following mixtures g were remainder optionally minium, lead silicate, barium car- P bonate, zirconium
  • the glasses obtained have the following composition in by weight:
  • the speclfllc surface of fine and porous solld materials is determined in a simple manner by means of the 1 2 3 4 area meter.
  • the method on which the determination by s i0 64.2 72.8 67.l 61.4 means of thls apparatus 1s based, namely adsorptlon of b 91 86 H 8.8 nltrogen at a low temperature was developed by K20 6.6 9.1 6.1 7.8 Brunauer, Emmet and Teller and later-simplified by R. 5:8 6 5'2 Haul and G. Dumbgen (Chem. lng. Techn.
  • a method of manufacturing a glass mixture intended for the manufacture of glasses for the screen of the cone of a cathode-ray tube for television image display comprising the steps of:
  • feldspar has a specific surface larger than 1 sq. m/g and said quartz sand has a specific surface smaller than 0.1 sq. m/g and producing a glass melt from said mixture substantially free from bubbles and having enhanced dissolution of crystalline constituents.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
US400402A 1972-10-05 1973-09-24 Method of manufacturing a mixture for tv glasses Expired - Lifetime US3925089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7213465A NL7213465A (ru) 1972-10-05 1972-10-05

Publications (1)

Publication Number Publication Date
US3925089A true US3925089A (en) 1975-12-09

Family

ID=19817082

Family Applications (1)

Application Number Title Priority Date Filing Date
US400402A Expired - Lifetime US3925089A (en) 1972-10-05 1973-09-24 Method of manufacturing a mixture for tv glasses

Country Status (10)

Country Link
US (1) US3925089A (ru)
JP (1) JPS4973408A (ru)
BE (1) BE805637A (ru)
BR (1) BR7307640D0 (ru)
DE (1) DE2348379A1 (ru)
FR (1) FR2202047B1 (ru)
GB (1) GB1394766A (ru)
IT (1) IT996764B (ru)
NL (1) NL7213465A (ru)
ZA (1) ZA735846B (ru)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987330A (en) * 1975-04-25 1976-10-19 Owens-Illinois, Inc. Zirconia containing glass compositions for cathode ray tubes
US4015966A (en) * 1976-06-01 1977-04-05 Owens-Illinois, Inc. Manufacture of X-ray absorbing glass composition by a float glass process
US4174490A (en) * 1977-05-25 1979-11-13 U.S. Philips Corporation Cathode-ray tube
US4277286A (en) * 1980-02-19 1981-07-07 Corning Glass Works Lead-free glasses of high x-ray absorption for cathode ray tubes
US4337410A (en) * 1979-09-03 1982-06-29 U.S. Philips Corporation Cathode-ray tube face-plate
US4608351A (en) * 1984-03-09 1986-08-26 Corning Glass Works Low PbO-containing glass for electrical devices
US5470805A (en) * 1992-12-14 1995-11-28 U.S. Philips Corporation Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition
US6251811B1 (en) * 1998-07-10 2001-06-26 Asahi Glass Company Ltd. Funnel glass for a cathode ray tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818589C2 (de) 1998-04-25 2000-04-20 Daimler Chrysler Ag Brennkraftmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366473A (en) * 1941-03-29 1945-01-02 Norbert S Garbisch Glass batch
US3001881A (en) * 1955-08-29 1961-09-26 Owens Corning Fiberglass Corp Pre-reacted glass batch and method for producing same
US3222206A (en) * 1961-02-24 1965-12-07 Philips Corp Method of manufacturing reinforced cathode-ray tube for television display
US3325298A (en) * 1962-11-23 1967-06-13 Libbey Owens Ford Glass Co Increasing the melting rate of glass batch
US3794502A (en) * 1966-07-09 1974-02-26 Philips Corp Glass for cathode-ray tubes for television display

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366473A (en) * 1941-03-29 1945-01-02 Norbert S Garbisch Glass batch
US3001881A (en) * 1955-08-29 1961-09-26 Owens Corning Fiberglass Corp Pre-reacted glass batch and method for producing same
US3222206A (en) * 1961-02-24 1965-12-07 Philips Corp Method of manufacturing reinforced cathode-ray tube for television display
US3325298A (en) * 1962-11-23 1967-06-13 Libbey Owens Ford Glass Co Increasing the melting rate of glass batch
US3794502A (en) * 1966-07-09 1974-02-26 Philips Corp Glass for cathode-ray tubes for television display

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987330A (en) * 1975-04-25 1976-10-19 Owens-Illinois, Inc. Zirconia containing glass compositions for cathode ray tubes
US4015966A (en) * 1976-06-01 1977-04-05 Owens-Illinois, Inc. Manufacture of X-ray absorbing glass composition by a float glass process
US4174490A (en) * 1977-05-25 1979-11-13 U.S. Philips Corporation Cathode-ray tube
US4337410A (en) * 1979-09-03 1982-06-29 U.S. Philips Corporation Cathode-ray tube face-plate
US4277286A (en) * 1980-02-19 1981-07-07 Corning Glass Works Lead-free glasses of high x-ray absorption for cathode ray tubes
US4608351A (en) * 1984-03-09 1986-08-26 Corning Glass Works Low PbO-containing glass for electrical devices
US5470805A (en) * 1992-12-14 1995-11-28 U.S. Philips Corporation Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition
US6251811B1 (en) * 1998-07-10 2001-06-26 Asahi Glass Company Ltd. Funnel glass for a cathode ray tube

Also Published As

Publication number Publication date
BE805637A (fr) 1974-04-03
ZA735846B (en) 1975-04-30
NL7213465A (ru) 1974-04-09
FR2202047A1 (ru) 1974-05-03
IT996764B (it) 1975-12-10
DE2348379A1 (de) 1974-04-11
BR7307640D0 (pt) 1974-09-05
AU6099673A (en) 1975-04-10
JPS4973408A (ru) 1974-07-16
FR2202047B1 (ru) 1978-02-10
GB1394766A (en) 1975-05-21

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